在Hibernate中，我在运行时收到以下错误

Question

在Hibernate中，我在运行时收到以下错误

1.employee.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>


<!DOCTYPE hibernate-mapping PUBLIC

 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">


<hibernate-mapping package ="com.hibernate.basic">



    <class name="Employee" table="Employee" lazy="false">

        <id name="id" column="EMPID" type ="int">

            <generator class="increment"></generator>
        </id>

        <property name="firstName" column="NAME"></property>
        <property name="lastName"column="LNAME"></property>

    </class>

<?xml version='1.0' encoding='UTF-8'?>

<!DOCTYPE hibernate-configuration PUBLIC

        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">



<hibernate-configuration>

    <session-factory> 
        <property name="connection.driver_class">oracle.jdbc.OracleDriver</property>
        <property name="connection.url">jdbc:oracle:thin:@172.16.3.94:1521:EAMABP</property>
        <property name="connection.username">EAM</property>
        <property name="connection.password">EAM</property>
        <property name="hibernate.connection.pool_size">10</property>
        <property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
        <property name="current_session_context_class">thread</property>
        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.format_sql">true</property>
        <property name="hibernate.hbm2ddl.auto">update</property>
        <mapping resource="employee.hbm.xml" />
    </session-factory>

</hibernate-configuration>

package com.hibernate.basic;

public class Employee {

    private int id;
    private String FName, LName;

    public String getFName() {

        return FName;
    }

    public void setFName(String FName) {

        this.FName = FName;
    }

    public String getLName() {
        return LName;
    }

    public void setLName(String LName) {

        this.LName = LName;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }
}

4.storedata.java

package com.hibernate.basic;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

public class StoreData {
    public static void main(String[] args) {

        // creating configuration object
        Configuration cfg = new Configuration();
        cfg.configure("hibernate.cfg.xml");// populates the data of the
                                            // configuration file

        // creating seession factory object
        SessionFactory factory = cfg.buildSessionFactory();

        // creating session object
        Session session = factory.openSession();

        // creating transaction object
        Transaction t = session.beginTransaction();

        Employee e1 = new Employee();
        e1.setId(115);
        e1.setFName("sonoo");
        e1.setLName("jaiswal");

        session.persist(e1);// persisting the object

        t.commit();// transaction is commited
        session.close();

        System.out.println("successfully saved");

    }
}

执行后出错：

log4j:警告找不到logger（org.hibernate.cfg.environment）的附加程序。log4j:警告请正确初始化log4j系统。线程“main”org.hibernate.invalidmappingException中的异常：无法解析来自资源employee.hbm.xml（位于org.hibernate.cfg.configuration.java:569)（位于org.hibernate.cfg.configuration.parseMappingElement（配置.java:1587)（位于org.hibernate.cfg.configuration.parseSessionFactory（配置.java:1555)（位于org.hibernate.cfg.configuration.doConfigure（配置.java:1534)（位于通过属性规范，“>”或“/>”。嵌套异常：元素类型“property”后面必须跟属性规范“>”或“/>”。在org.dom4j.io.saxreader.read(saxreader.java:482)在org.hibernate.cfg.configuration.addInputStream(configuration.java:499)...7更多

Answer 1

name=“lastname”和column之间缺少空格。